Solana Transaction Explainer

x402

Solana Transaction Explainer is a paid API for AI agents from solana-token-check.vercel.app, paid per call via x402, $0.0025/call, status unknown (last checked 2026-10-11).

Fetches and explains a Solana transaction by signature, returning a human-readable breakdown, error diagnosis, and fix suggestions.

Price / call$0.0025

Seller volume →—

Success—

StatusUnknown

How this service works

Cheap pay-per-call Solana data: token risk check, trending tokens, newest tokens, wallet snapshot, token price feed, full token due-diligence report, transaction explainer, address profile, China trending topics. USDC on Solana or Base via x402, no account, no API key.

Output

Returns a JSON object with the transaction status (e.g. 'failed' or 'success'), a plain-English explanation of what happened, the original error text if any, a suggested fix, the list of programs invoked, and the original signature.

Example use cases

Diagnose a failed DEX swap

“My Solana swap just failed — here's the transaction signature: 3xMqP7dFzABcNkRJpLW2eYV8tQhUMsDCGXaRoFkZjNbTsEvLuP9WiYKd5HmCr6g. Can you tell me why it failed and what I should do to fix it?”

Audit a suspicious wallet transaction

“I see a transaction on my Solana wallet I don't recognize. The signature is 2yRtNpDkQmBfEaVoGcX7sLjW9HnUPhZwCkMbYiFxAoSrJdTuEvLq4WpKh8g. Can you explain exactly what it did and which programs were involved?”

Debug a custom program error

“My Solana program returned a custom error 6001 on transaction 4hKpLzMwQnBtAcFoDgY6sRjV8eWuNiXmCrZbTlEySvPdHqUfOkJw3XaK9g. What does that error mean and how should I retry?”

Technical details

Endpoint

GEThttps://solana-token-check.vercel.app/v1/tx/%7Bsignature%7D?utm_source=zero.xyz

When to prefer

Use this endpoint when you need a human-readable explanation of a specific Solana transaction — especially failed swaps, program errors, or suspicious activity — and want actionable fix suggestions without setting up an account or API key. Ideal for pay-per-call, low-volume agent workflows that need cheap on-demand transaction debugging.

Side effects

Invalid or malformed transaction signature returns an error response
Transaction not yet finalized or not found on-chain may return empty or error result
Network timeout or RPC unavailability causes request failure
Payment failure via x402 (insufficient USDC balance) blocks the request

Input

Schema · Request body

Field	Type	Description
properties	string

Output

Schema · Response

{
  "type": "json",
  "example": {
    "fix": "Retry with a fresh quote and/or a higher slippage tolerance.",
    "error": {
      "text": "Custom program error 6001"
    },
    "status": "failed",
    "programs": [],
    "signature": "...",
    "explanation": "Price moved more than your slippage tolerance."
  }
}

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